Introduction to the 30m Ring Interferometric Telescope

Details Introduction to the 30m Ring Interferometric Telescope Introduction to the 30m Ring Interferometric Telescope

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007iaus..240...64l&link_type=abstract

Binary Stars as Critical Tools and Tests in Contemporary Astrophysics, International Astronomical Union. Symposium no. 240, he

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

For the demand of astronomical limitation observations, such as exploring extra-terrestrial planets, black hole accretion disk and jet in the near-infrared and optical wave band, extremely large telescopes (optical and infrared) have become the principal ground-based astronomical instrumentation. With the maturation of interferometric imaging theory, the borderline between new generation ground-based extremely large telescope and interferometric array for aperture synthesis imaging is increasingly going blurring and the only differences in their technical methods and characteristics are also gradually disappearing. Based on the research result of interferometric imaging in Yunnan Observatory, we bring forward a new concept ground-based extremely large telescope -- 30m Ring Interferometric Telescope (30mRIT). It has the direct imaging ability and resolution like single aperture telescope, and it also can image with high resolution like the aperture synthesis imaging mode. The 30m RIT has a ring spherical primary mirror with 90 segmented mirrors, the width of the ring is 1 meter and the F/D ratio is about 0.8.This report also introduces some high resolution astronomical observe results by one meter ring which is 1 m diameter and 100 mm width. The 30mRIT project is remarkably different from the conventional ground-base ELT and its pivotal techniques have got the support of CAS and China NSF.

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